| ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s |
| ; |
| ; Unsigned wrap-around check. |
| ; |
| ; for (int i = -1; i < 65 ; i ++ ) |
| ; if ( (unsigned)i <= 63 ) |
| ; A[i] = 42; |
| |
| |
| define void @func(double* noalias nonnull %A) { |
| entry: |
| br label %for |
| |
| for: |
| %j = phi i32 [-1, %entry], [%j.inc, %inc] |
| %j.cmp = icmp slt i32 %j, 65 |
| br i1 %j.cmp, label %body, label %exit |
| |
| body: |
| %inbounds = icmp ule i32 %j, 63 |
| br i1 %inbounds, label %ifinbounds, label %ifoutbounds |
| |
| ifinbounds: |
| %A_idx = getelementptr inbounds double, double* %A, i32 %j |
| store double 42.0, double* %A_idx |
| br label %inc |
| |
| ifoutbounds: |
| br label %inc |
| |
| inc: |
| %j.inc = add nuw nsw i32 %j, 1 |
| br label %for |
| |
| exit: |
| br label %return |
| |
| return: |
| ret void |
| } |
| |
| |
| ; CHECK: Region: %for---%return |
| ; CHECK: Domain := |
| ; CHECK-NEXT: { Stmt_ifinbounds[i0] : 0 < i0 <= 64 }; |
| |